WT58F032

The WT58F032 is a high-performance 32-Bit Microcontroller. It incorporates the 32-bit RISC CPU operating up to50 MHz, Flash memory up to 32K bytes and SRAM up to 4K bytes, and rich peripherals/interfaces such as high-speed ADC, high-speed PWM, current limit comparator, Quadrature Encoder Interface (QEI), I2C, SPI, UART and LIN bus.The WT58F032 is suitable for a wide range of applications, such as Brush-less DC motor (BLDC) control, AC induction motor control, switched reluctance (SR) motor control, digital power control, DC/DC, AC/DC, Inverters, PFC, washing machine, air conditioner, refrigerator, LED lighting control and applications where high computing power and high-speed communication are required.

Features

    • Embedded 32-bit RISC CPU core

    - 1.28 DMIPS/MHz (Dhrystone 2.1) performance

    - Normal operating mode: 48 MHz, 24 MHz, 12 MHz, 6 MHz and 1 MHz

    • Memory:

    - Flash memory: 32K bytes (8K * 32)

    - RAM: 4K bytes (1K * 32)

    • CPU clock source

    - External crystal oscillator 1 MHz ~ 24 MHz (Built-in PLL)

    - Internal RC oscillator 12 MHz and 32 kHz (for IWDT)

    - External crystal oscillator 32 kHz for RTC counter

    • Clock Management

    - ±2.0% internal oscillator

    • Internal RC oscillator can be calibrated ±1% with 32 kHz crystal and ±3% without 32 kHz crystal

    - Programmable PLLs and oscillator clock sources

    - Independent Watchdog Timer (IWDT)

    - Fast wake-up (less than 3us) and start-up

    - Window Watchdog timer with system clock

    - Fail-Safe Clock Monitor module detects clock failure and switches to internal RC oscillator

    • Power Management

    - Low-power management modes

    - Integrated Power-on Reset and Low Voltage Detect

    • Program read out protection and code encryption
    • High-Speed PWM Module

    - Up to four PWM pairs with independent timing (4 PWM generators with 8 outputs)

    - Dead time for rising and falling edges

    - PWM mode (True Independent Output, Complementary, Current Reset, Current Limit)

    - Independent Fault/Current-Limit inputs for each of the PWM outputs

    - Programmable Fault inputs

    - Programmable output polarity

    - Complementary or Independent Output modes

    - Support 8 modes, including Edge and Center-Aligned modes

    - Flexible trigger configurations for ADC conversions (Trigger from PWM to ADC)

    - Output override control

    - Leading-Edge Blanking (LEB) functionality

    • High-Speed ADC Module

    - 10-bit resolution with one Successive Approximation Register (SAR) converters (1 Msps)

    ±1 LSB accuracy at 5.0V

    - Up to 4 Sample & Hold (S&H) circuits (3: 4 inputs shared, 1: 13 input shared)

    - Up to 13 input sources (one dedicated for temperature sensor)

    - Dedicated result buffer for each analog input

    - Flexible and independent ADC trigger sources (Trigger from PWM to ADC)

    • Six 16-bit Timer with IC/OC/OCN/PWM
    • Quadrature Encoder Interface (QEI)

    - Phase A, Phase B and Index Pulse input

    - 16-bit up/down position counter

    - Count direction status

    - Position Measurement (x2 and x4) mode

    - Programmable digital noise filters on inputs

    - Alternate 16-bit Timer/Counter mode

    - Interrupt on position counter rollover/underflow

    • Comparators

    - A comparator is equipped with two channels (CMP0, CMP1)

    - Negative-side input pins (CMP0M, CMP1M) and a positive-side input pin (CMP0P, CMP1P) can be connected

    - CMP0M and CMP1M pin inputs and the internal generation reference voltage (6 combinations for each comparator) can be selected as the reference voltage

    - The elimination width of the noise elimination digital filter can be selected

    - An interrupt request is generated when an overvoltage is detected (INTCMP0 and INTCMP1) Interrupt on position counter rollover/underflow

    - The output signal of comparator is connected to the PWM array unit and sets the PWM output pin to a non-active state

    • DMA: ADC, I2C (*2), UART (*4), TIMER (*6), SPI (*2)
    • Communication interface

    - 1 master/slave I2C bus (SM bus) up to 1 MHz

    - 1 master/slave SPI up to 12 MHz

    - 2 UART up to 1.5 MHz

    - LIN Bus

    • Power on reset and 8-level Low VDD Detector (LVD)
    • Temperature sensor (±3℃)
    • Support built-in ISP & ICE mode (2-wire JTAG mode)
    • Tri-state I/O structure, input state can be decided by pad resister (pull high)
    • Flash memory protection
    • Power Consumption

    - Active Mode: 350uA/MHz

    - Standby Mode: less than 6uA

    • Wide operating voltage: 3.0V ~ 5.5V
    • Operating Conditions:

    - 3.0V to 5.5V, -40oC to +85oC, up to 50 MIPS

    • ESD protection HBM > 4KV, MM > 400V
    • Package type: LQFP48, QFN40


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